#include <cstdio>

extern "C" unsigned calc_expr();

int main(int argc, char const *argv[])
{
	// see if we are 32bit or 64bit
	printf("architecture %s\n", sizeof(void *) == 8 ? "64bit" : "32bit");
	// call our own generated code and print result
	printf("expr(compiled) = %d\n", calc_expr());
	
	return 0;
}